copper access valve,check valve with check or without check, ... access valve,charging valve , refrigeration part,HAVC partSize:1/8",3/16",1/4",5/16",3/8"……Tube length:45--160mmPackage ... ,tube length,Different specifications availablesoledr tube:1/4",3/16",3/8",5/16",1/8".tube length can be according ... contact me,i will reply you as soon as possible. 1/8" Single Skinpacking Refrigeration Copper Check Valve